Severe periodontal disease in Japanese patients with high HbA1c levels: a cross-sectional study

This study aimed to investigate the relationship between plasma glucose profiles and periodontal disease (PD) severity in men and women We conducted a cross-sectional cohort study, enrolling all eligible patients with type 2 diabetes mellitus (T2DM) who regularly visited the outpatient department Patients were divided into severe and non-severe PD groups. The severe PD group showed a male predominance and significantly higher hemoglobin A1c (HbA1c) levels than the non-severe PD group. The optimal HbA1c cutoff value on the receiver operating characteristic curve for predicting severe PD was 7.3